diff options
| author | Jaehoon Chung <jh80.chung@samsung.com> | 2011-02-25 11:08:15 +0900 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-03-17 15:35:18 -0400 |
| commit | fc3d7720541d4b70cbae25ac121d7e6343125090 (patch) | |
| tree | f1ca22f9e6363c2ddfc84dfdc6e4992299e4f93a /drivers | |
| parent | 860cfe796c793bfad1e666de9600852f2d653c57 (diff) | |
| download | lwn-fc3d7720541d4b70cbae25ac121d7e6343125090.tar.gz lwn-fc3d7720541d4b70cbae25ac121d7e6343125090.zip | |
mmc: dw_mmc: add quirks for unreliable card detect, and capabilities
This patch adds quirks and capabilities to platdata.
Some cards don't use the CDn pin; in that case, we assume the card's
inserted. Some boards need other capabilities. So, we add capabilities
in the board's platdata.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 299c1d61b6b3..94ec6502bdde 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -729,7 +729,9 @@ static int dw_mci_get_cd(struct mmc_host *mmc) struct dw_mci_board *brd = slot->host->pdata; /* Use platform get_cd function, else try onboard card detect */ - if (brd->get_cd) + if (brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION) + present = 1; + else if (brd->get_cd) present = !brd->get_cd(slot->id); else present = (mci_readl(slot->host, CDETECT) & (1 << slot->id)) @@ -1403,7 +1405,11 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id) if (host->pdata->setpower) host->pdata->setpower(id, 0); - mmc->caps = 0; + if (host->pdata->caps) + mmc->caps = host->pdata->caps; + else + mmc->caps = 0; + if (host->pdata->get_bus_wd) if (host->pdata->get_bus_wd(slot->id) >= 4) mmc->caps |= MMC_CAP_4_BIT_DATA; |